NATURAL DISASTERS

3. a long period when there is little or no rain
7. a sudden violent movement of the earth's surface, sometimes causing great damage
8. a hole in the ground, especially in an area of limestone rock, that has been formed naturally, for example by water that has worn away the rock
10. a large amount of water covering an area that is usually dry
11. a strong, dangerous wind that forms itself into an upside-down spinning cone and is able to destroy buildings as it moves across the ground
12. a severe snow storm with strong winds

1. a weather event involving a cooling of the air, or the invasion of very cold air, over a large area
2. a flash of bright light in the sky that is produced by electricity moving between clouds or from clouds to the ground
4. a sudden heavy fall of hail
5. a strong wind in a desert carrying a large amount of sand
6. a fire that is burning strongly and out of control on an area of grass or bushes in the countryside
9. a mass of rock and earth moving suddenly and quickly down a steep slope